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Related Concept Videos

Tissue Transplantation01:24

Tissue Transplantation

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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
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The mitochondrial electron transport chain (ETC) is the main energy generation system in the eukaryotic cells. However, mitochondria also produce cytotoxic reactive oxygen species (ROS) due to the large electron flow during oxidative phosphorylation. While Complex I is one of the primary sources of superoxide radicals, ROS production by Complex II is uncommon and may only be observed in cancer cells with mutated complexes.
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Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
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Challenges in Promoting Mitochondrial Transplantation Therapy.

Yuma Yamada1,2, Momo Ito1, Manae Arai1

  • 1Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-12, Nishi-6, Kita-ku, Sapporo 060-0812, Japan.

International Journal of Molecular Sciences
|September 5, 2020
PubMed
Summary

Mitochondrial transplantation therapy shows promise for treating mitochondrial dysfunction across various organs. Further research is needed to develop preserved mitochondria formulations for widespread clinical application.

Keywords:
MITO-Porterdrug deliveryimmunological reactionmitochondriamitochondrial storagemitochondrial transplantation

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Area of Science:

  • Regenerative Medicine
  • Mitochondrial Biology
  • Pharmacology

Background:

  • Mitochondrial dysfunction is implicated in numerous diseases.
  • Mitochondrial transplantation therapy (MTT) is an emerging treatment strategy.
  • MTT has demonstrated therapeutic potential in preclinical and clinical studies for conditions like cardiac ischemia.

Purpose of the Study:

  • To review the therapeutic effects of mitochondrial transplantation.
  • To discuss immune responses associated with MTT.
  • To explore methods for preserving mitochondria and developing drug delivery systems for MTT.

Main Methods:

  • Literature review of studies on mitochondrial transplantation.
  • Analysis of research on immune responses to transplanted mitochondria.
  • Examination of mitochondrial preservation techniques.
  • Review of mitochondrial targeting drug delivery systems (DDS).

Main Results:

  • Mitochondrial transplantation therapy has shown efficacy in treating mitochondrial dysfunction in various tissues, including the heart, liver, lungs, and brain.
  • Immune responses during mitochondrial transplantation are a critical area of study.
  • Effective methods for preserving mitochondria are essential for their stability as therapeutic agents.
  • Development of mitochondrial targeting drug delivery systems is advancing MTT.

Conclusions:

  • Mitochondrial transplantation therapy holds significant therapeutic potential for a range of conditions.
  • Further research into pharmaceutical formulations and preservation methods is crucial for advancing MTT.
  • Understanding and mitigating immune responses are key to successful clinical translation.
  • Mitochondrial targeting drug delivery systems offer promising avenues for enhancing MTT efficacy.